Cache, also called Temporary Internet Files, containinformation of places you have visited on the internet or downloaded from the web, including images, sounds, web pages, even cookies.

Cookies are a small file stored on your hard drive put there by a web page server to identify you when you return to that website. It will also assist you in things such as login information.

Files stored on your computer take up space, so from time to time, you may want to clear out your cache (temporary internet files) and cookies to free up some space and make your computer perform faster.